2023: Earth Night
- Speaker Ronald Mariano
- Gina McCarthy
- Mayor Michelle Wu
2022: Earth Night
- Representative Joan Meschino
- Maria Belén Power and Andrea Nyamekye, leaders of the Massachusetts Environmental Justice (EJ) Legislative Table
- Jeremy Grantham, CBE
- Mass General Brigham
2020: Earth Night
- John Kerry
- Biogen
- LCV Ed Fund
- Emerging Leader: Boston Climate Strike
2019: Earth Night
- Thomas Glynn
- Katherine Clark
- A Celebration of the Offshore Wind industry
2018: Earth Night
- Rev. Mariama White-Hammond
- Dr. John P. Holdren
- Trillium Asset Management
2017: Earth Night
- Peter Slavin of Massachusetts General Hospital
- Attorney General Maura Healey
- State Senator Ken Donnelly
2017: Fall Reception
- Speaking program included Emily Reichert, Marissa Nelson, and Heather Henriksen
2016: Earth Night
- Rep. Stephen Kulik
- Rep. Bradley Jones
- Katy Eiseman
- Aggregate Industries
2016: Fall Reception
- Senator Dan Wolf
- Triumvirate International
- Mothers Out Front
- Seth Jaffe
2015: Earth Night
- Senator Benjamin Downing
2015: Fall Reception
- Senate President Pro Tempore Marc Pacheco
- Leonard Sarapas
- Lisa A. Podgurski
2014: Earth Night
- Mass Audubon
- Conservation Law Foundation
- Gina McCarthy
2014: Fall Reception
- Richard Davey
2013: Earth Night
- Governor Deval Patrick
2013: Fall Reception
- Stan Rosenberg
2012: Earth Night
- WalkBoston Award to Wendy Landman
- Eastern Bank Award to Bob Rivers